CVE-2021-1313

HIGH

Cisco Ios XR < 5.2.6 - Memory Leak

Title source: rule

Description

Multiple vulnerabilities in the ingress packet processing function of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

References (1)

[Vendor Advisory] https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-dos-WwDdghs2

Scores

CVSS v3 8.6

EPSS 0.0060

EPSS Percentile 69.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Classification

CWE

CWE-399 CWE-401

Status published

Affected Products (1)

cisco/ios_xr < 5.2.6

Timeline

Published Feb 04, 2021

Tracked Since Feb 18, 2026